- 1 Murray, John, 1778-1843
- 1 Murray, John, 1808-1892
- 1 Murray, William H. (William Henry), 1790-1852
- 1 Muscle Shoals, Alabama (sand bar)
- 7 Museum of Archaeology and Anthropology
- 72 Museums (buildings)
- 5 Museums (institutions)
- 4 Musgrave Street
- 1 Musher
- 4 Mushrooms
- 187 Music
- 1 Music boxes
- 44 Music ensembles
- 20 Music halls
- 3 Music Room
- 1 Music schools (buildings)
- 1 Music stands
- 4 Music stores
- 1 Music Teacher Artist
- 3 Music trade
- 8 Music, Sacred
- 15 Musical Fund Hall
- 9 Musical instrument industry
- 178 Musical instruments
- 626 Musical notation
- 117 Musicians
- 1 Musicians' unions
- 1 Muskets
- 1 Muskox
- 3 Muspratt, Sheridan, 1821-1871
- 1 Mussolini, Benito Amilcare Andrea, 1883–1945
- 1 Mustard (material)
- 1 Mu'tamid al-Dawla
- 1 Mutual Assistance Co.
- 3 Mutual Assurance Co.
- 1 Muzet & Co.
- 1 Muzzleloading
- 2 Myanmar
- 1 Myers and Co. (hot water heaters)
- 1 Myers' Mill
